Celestial computers



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CELESTIAL COMPUTERS Filed Jan. 26, 1962 21 Sheets-Sheet 2 INVENTORS NOV- 5, 1963 w. l.. PoLHEMus ETAL 3,109,588

CELESTIAL COMPUTERS Filed Jan. 26, 1962 21 Sheets-Sheet 3 A//PCeAFr Ar/maf Same Nov. 5, 1963 w. L. PoLHEMus ETAL 3,109,588

CELESTIAL COMPUTERS Filed Jan. 2e, 1962 l 21 sheets-sheet 4 /l/RaeAfr @eau/vn SPEED JCALE BYLEW/S M. 505770( NSV 5 1963 w. L. PoLHEMUs ETAL 3,109,588

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Nov. 5, 1963 w. L. PoLHEMUs ETAL 3,109,588

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CELESTIAL COMPUTERS Filed Jan. 26, 1962 21 Sheets-Sheet 8 NOV. 5 1963 w. 1 PoLHEMus ETAL 3,109,583

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CELESTIAL COMPUTERS BY 6W/s M. 505770( NOV- 5, 1963 w. l.. PoLHEMUs ETAL 3,109,588

CELESTIAI.. COMPUTERS 21 Sheets-Sheet 2O Filed Jan. 26, 1962 FIG 20.

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1. A MULTIPLE STAR FIX CELESTIAL COMPUTER HAVING A PLURALITY OF SUPERIMPOSED ROTATABLY ADJUSTABLE CIRCULAR CONCENTRIC DISKS COMPRISING A MAIN DISK HAVING A FRONT FACE AND A REAR FACE, SAID FRONT FACE HAVING AN OUTER "TRUE AZIMUTH" SCALE GRADUATED IN DEGREES EXTENDING CLOCKWISE FROM 0* TO 360*, AN INNER "POLARIS AZIMUTH" CORRECTION SCALE FOR DETERMINING POLARIS CORRECTIONS RELATIVE TO THE NORTH POLE FOR VARIATIONS IN TRUE AZIMUTH AND AIRCRAFT ALTITUDE, AND AN INTERMEDIATE "POLARIS Q FACTOR" LOGARITHMIC SCALE FOR DETERMINING POLARIS CORRECTIONS FOR VARIATIONS IN AZIMUTH, A SECOND SUPERIMPOSED DISK HAVING AN OUTER LOGARITHMIC "AIRCRAFT LATITUDE" SCALE, AND AN INNER CORELATED LOGARTHMIC "MOTION OF THE BODY" CORRECTION SCALE THEREON AND DISPLAYING THE SCALES OF SAID MAIN DISK THERETHROUGH OUT OF REGISTER WITH SAID SCALES ON SAID MAIN DISK, A THIRD SUPERIMPOSED DISK HAVING AN OUTER LOGARITHMIC "AIRCRAFT GROUND SPEED" SCALE, AN INNER LOGARITHMIC CORELATED "CORIOLIS CORRECTION" SCALE AND AN INTERMEDIATE CORELATED LOGARITHMIC "MOTION OF THE OBSERVER" CORRECTION SCALE THEREON, AND DISPLAYING THE AFORESAID SCALES ON SAID MAIN AND SECOND DISKS THERETHROUGH OUT OF REGISTER WITH THE SCALES ON SAID THIRD DISK, A FOURTH SUPERIMPOSED DISK HAVING 0* "RELATIVE STAR AZIMUTH" SET TRACK INDEX POINTER FOR COOPERATIVE REGISTRATION WITH SAID TRUE AZIMUTH SCALE ON SAID MAIN DISK GRADUATED IN DEGREES CLOCKWISE AND COUNTERCLOCKWISE FROM SAID SET TRACK INDEX FROM 0* TO 90* AT OPPOSITE SIDES AND SAID 90* AT OPPOSITE SIDES, CLOCKWISE AND COUNTERCLOCKWISE TO 0* OPPOSITE SAID SET TRACK INDEX, HAVING A DARK SEGMENT FROM 90* TO 90* AT OPPOSITE SIDES OF SAID 0* POINT WHICH IS OPPOSITE SAID SET TRACK INDEX SAID FOURTH DISK HAVING A RADIAL WINDOW IN RADIAL ALIGNMENT WITH SAID SET TRACK INDEX FOR DISPLAY OF PREDETERMINED POLARIS AZIMUTH CORRECTION SCALE INDICIA AND A "ZN LATITUDE" SELECTION SCALE ADJACENT SAID LAST WINDOW FOR SELECTING PREDETERMINED POLARIS AZIMUTH CORRECTION SCALE INDICIA DISPLAYED ON THE LAST MENTIONED WINDOW, SAID FOURTH DISK HAVING A "SET LATITUDE" INDICATING WINDOW FOR DISPLAYING SAID AIRCRAFT LATITUDE SCALE THEREON AND A SEMICIRCULAR "MOTION OF THE BODY" DISPLAY WINDOW FOR SAID MOTION OF THE BODY CORRECTION SCALE, A LOGARITHMIC "MOTION OF THE BODY" DETERMINING SCALE ALONG ONE SIDE OF SAID LAST WINDOW GRADUATED CLOCKWISE SUBSTANTIALLY FROM 0* TO 90* AND THEN REVERSELY GRADUATED FROM SAID 90* TO SUBSTANTIALLY 180* AND A SECOND CORELATED LOGARITHMIC SCALE ON THE OPPOSITE SIDE OF THE LAST MENTIONED WINDOW HAVING A DARK FIELD AND GRADUATED SUBSTANTIALLY FROM SAID 180* CLOCKWISE TO 270* AT THE OTHER END AND THEN REVERSELY GRADUATED FROM SAID 270* SUBSTANTIALLY BACK TO 360* AT THE OTHER END, SAID FOURTH DISK HAVING A "SET GROUND SPEED" DISPLAY WINDOW FOR SAID AIRCRAFT GROUND SPEED SCALE ON SAID THIRD DISK FOR SETTING SAID THIRD DISK RELATIVE TO SAID FOURTH DISK FOR INDICATED GROUND SPEEDS, SAID FOURTH DISK HAVING AN ARCUATE "CORIOLIS AND WANDER" DETERMINING WINDOW FOR SAID CORIOLIS CORRECTION SCALE ON SAID THIRD DISK AND A CORELATED "CORIOLIS AND WANDER" DETERMINING SCALE ADJACENT ONE SIDE OF SAID WINDOW LOGARITHMICALLY CALIBRATED IN A CLOCKWISE DIRECTION SUBSTANTIALLY FROM 0* AT ONE END TO 90* AT THE OTHER END FOR COOPERATIVE REGISTRATION WITH THE THIRD DISK CORIOLIS CORRECTION SCALE, RELATIVE TO GROUND SPEED ON SAID AIRCRAFT GROUND SPEED SCALE, SAID FOURTH DISK HAVING A SUBSTANTIALLY SEMICIRCULAR CORRECTION FOR "MOTION OF THE OBSERVER" DISPLAY WINDOW FOR SAID MOTION OF THE OBSERVER CORRECTION SCALE ON SAID THIRD DISK AND A CORELATED LOGARITHMIC SCALE ADJACENT THE LAST MENTIONED WINDOW CALIBRATED CLOCKWISE FROM 0* AT ONE END TO SUBSTANTIALLY 90* AT THE OTHER END FOR COOPERATIVE REGISTRATION WITH SAID MOTION OF THE OBSERVER CORRECTION SCALE ON SAID THIRD DISK FOR DETERMINING RELATIVE MOTION OF THE BODY CORRECTIONS FOR VARIATIONS IN GROUND SPEEDS DISPLAYED IN SAID SET GROUND SPEED INDICATING WINDOW. 